Today is #NationalBisonDay 🌄 Bison are the largest mammal in North America. Male bison (called bulls) weigh up to 2,000 pounds and stand 6 feet tall, while females (called cows) weigh up to 1,000 pounds and reach a height of 4-5 feet. American bison are herbivores, eating primarily grasses, weeds, and leafy plants—typically foraging for nine to 11 hours a day. Bison are constantly on the move and even walk while they eat. That’s where the bison’s large, protruding shoulder hump comes in handy d